--TEST-- Catchable fatal error [1] --FILE-- <?php class Foo { } function blah (Foo $a) { } function error() { $a = func_get_args(); var_dump($a); } blah (new StdClass); echo "ALIVE!\n"; ?> --EXPECTF-- Catchable fatal error: Argument 1 passed to blah() must be an instance of Foo, instance of stdClass given, called in %scatchable_error_001.php on line 15 and defined in %scatchable_error_001.php on line 5